/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hive.metastore.events;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hive.metastore.IHMSHandler;
import org.apache.hadoop.hive.metastore.api.ISchema;

@InterfaceAudience.Public
@InterfaceStability.Stable
public class PreAlterISchemaEvent extends PreEventContext {

  private final ISchema oldSchema, newSchema;

  public PreAlterISchemaEvent(IHMSHandler handler, ISchema oldSchema, ISchema newSchema) {
    super(PreEventType.ALTER_ISCHEMA, handler);
    this.oldSchema = oldSchema;
    this.newSchema = newSchema;
  }

  public ISchema getOldSchema() {
    return oldSchema;
  }

  public ISchema getNewSchema() {
    return newSchema;
  }
}
